# isDateObject > Test if a value is a [Date][mdn-date-object] object.
## Usage ```javascript var isDateObject = require( '@stdlib/assert/is-date-object' ); ``` #### isDateObject( value ) Tests if a value is a [`Date`][mdn-date-object] object. ```javascript var bool = isDateObject( new Date() ); // returns true bool = isDateObject( '2017-01-01' ); // returns false ```
## Examples ```javascript var isDateObject = require( '@stdlib/assert/is-date-object' ); var bool = isDateObject( new Date() ); // returns true bool = isDateObject( '2017-01-01' ); // returns false bool = isDateObject( 5 ); // returns false bool = isDateObject( null ); // returns false bool = isDateObject( void 0 ); // returns false bool = isDateObject( {} ); // returns false bool = isDateObject( [] ); // returns false bool = isDateObject( function Date() {} ); // returns false ```